| Date Filed | Type | Description |
| 03/07/2011 |
10-Q
| Quarterly Report for the period ended January 31, 2011 |
| 12/09/2010 |
10-Q
| Quarterly Report for the period ended October 31, 2010 |
| 09/01/2010 |
10-Q
| Quarterly Report for the period ended July 31, 2010 |
| 03/08/2010 |
10-Q
| Quarterly Report for the period ended January 31, 2010 |
| 12/08/2009 |
10-Q
| Quarterly Report for the period ended October 31, 2009 |
| 09/03/2009 |
10-Q
| Quarterly Report for the period ended July 31, 2009 |
| 03/09/2009 |
10-Q
| Quarterly Report for the period ended January 31, 2009 |
| 12/08/2008 |
10-Q
| Quarterly Report for the period ended October 31, 2008 |
| 09/04/2008 |
10-Q
| Quarterly Report for the period ended September 4, 2008 |
| 03/07/2008 |
10-Q
| Quarterly Report for the period ended January 31, 2008 |
| 12/07/2007 |
10-Q
| Quarterly Report for the period ended October 31, 2007 |
| 10/31/2007 |
10-Q
| Quarterly Report for the period ended July 31, 2007 |
| 03/08/2007 |
10-Q
| Quarterly Report for the period ended January 31, 2007 |
| 12/08/2006 |
10-Q
| Quarterly Report for the period ended October 31, 2006 |
| 09/08/2006 |
10-Q
| Quarterly Report for the period ended July 31, 2006 |
| 03/13/2006 |
10-Q
| Quarterly Report for the period ended January 31, 2006 |
| 03/10/2006 |
10-Q/A
| Quarterly Report for the period ended October 31, 2005 [amend] |
| 12/01/2005 |
10-Q
| Quarterly Report for the period ended October 31, 2005 |
| 08/25/2005 |
10-Q
| Quarterly Report for the period ended July 31, 2005 |
| 03/10/2005 |
10-Q
| Quarterly Report for the period ended January 31, 2005 |
| 12/10/2004 |
10-Q
| Quarterly Report for the period ended October 31, 2004 |
| 09/09/2004 |
10-Q
| Quarterly Report for the period ended July 31, 2004 |
| 03/15/2004 |
10-Q
| Quarterly Report for the period ended January 31, 2004 |
| 12/11/2003 |
10-Q
| Quarterly Report for the period ended October 31, 2003 |
| 09/11/2003 |
10-Q
| Quarterly Report for the period ended July 31, 2003 |
| 03/14/2003 |
10-Q
| Quarterly Report for the period ended January 31, 2003 |
| 12/10/2002 |
10-Q
| Quarterly Report for the period ended October 31, 2002 |
| 09/13/2002 |
10-Q
| Quarterly Report for the period ended July 31, 2002 |
| 03/13/2002 |
10-Q
| Quarterly Report for the period ended January 31, 2002 |
| 12/13/2001 |
10-Q
| Quarterly Report for the period ended October 31, 2001 |
| 09/13/2001 |
10-Q
| Quarterly Report for the period ended July 31, 2001 |
| 03/16/2001 |
10-Q
| Quarterly Report for the period ended January 31, 2001 |
| 12/14/2000 |
10-Q
| Quarterly Report for the period ended October 31, 2000 |
| 09/13/2000 |
10-Q
| Quarterly Report for the period ended July 31, 2000 |
|